Home / 95,945.10-144,065.28-85,513.11

Finding the Fourth Proportional to 95,945.10, 144,065.28 and 85,513.11

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Solution

The fourth proportional to 95,945.10, 144,065.28 and 85,513.11 is: 128,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,945.10 : 144,065.28 = 85,513.11 : x
  2. Step 2: Convert to fraction form
    95,945.10/144,065.28 = 85,513.11/x
  3. Step 3: Cross multiply
    95,945.10x = 144,065.28 × 85,513.11
  4. Step 4: Simplify right side
    95,945.10x = 12,319,469,708.26
  5. Step 5: Solve for x
    x = 12,319,469,708.26/95,945.10
  6. Step 6: Final answer
    x = 128,401.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.